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My family and I have just moved into a duplex that we’re renting. The house is joined to another house. We share one wall with the other house. We’re not in a row of townhouses.

I’m not a structural engineer, but have concerns about the foundation of the house. I’ve heard that horizontal cracks are bad in a foundation and we have some very long ones in the foundation that span the length of entire walls. One of these wall long cracks on one of the west walls extends right into the south wall and continues on. I’ve attempted to attach pictures of this particular crack to this post, but seem unable to.

The cracks have been patched/filled with concrete at some point, and it looks like the filled concrete has been sanded down to smooth it out, so it’s really hard to tell how wide the cracks actually are. The foundation walls don’t appear to be bowing, but I’d like to understand better whether or not the cracks are dangerous. There’s also vertical cracks in the foundation.

I know it’s hard to judge from just photographs, but are these cracks dangerous, considering that the walls are flat and flush? What’s the difference between a horizontal crack that’s dangerous and one that’s not? Or are all horizontal cracks something to be concerned about?

Thanks in advance to anyone who takes the time to reply.

Been out for awhile, but pretty amazing to see the water disappear;

http://www.sciencefriday.com/segment...king-lots.html:)

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Plane crash in SF. Looks like survivors.

http://news.yahoo.com/boeing-777-cra...192023098.html

http://montreal.ctvnews.ca/unmanned-...cted-1.1356290
Question what really did happen!!!!
How many lives lost is not determined at this time.

I've been studying using the exam tool and came across the question and answer below. I thought efficiency was increased by pulling more heat out out of the combustion process which would DECREASE temperature of flue gas. Am I wrong?


Question: High-efficiency gas furnaces improve heating efficiency by _____

answer: increasing air flow and the temperature of flue-gas exhaust

Certification and levels thereof are one of the most frequently discussed issues in thermography. With few standards addressing certification, purchasers of infrared inspection services and thermographers often ask, “How much certification is necessary?”

Anybody help me with the date of this Air Ease furnace date?
Serial # 8400m11991

thanks

Anyone seen something like this before for a dishwasher discharge?

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Found this on a roof today - Completely baffled - No openings - can not see under as it is finished to rafter underneath - However entertaining I am not interested if you think it maybe some sort of Alien Antenna of "unknown origin" type of item - LOL :D. BUT, if you got an idea I would love to see it.
OH - and there is no drainage system below the "said" item. I think I have an Idea but was wondering what others had in mind.
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Can anybody tell me what this fixture on a condo bedroom wall in California is?
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I suspect the screw is to flush the breakers, but is there an issue?
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This mornings inspection I came across this white stuff in a basement. I have never seen Efflorescence this bad before, but I'm assuming that is what is is. The basement had evidence of recent moisture intrusion. Am I correct?
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http://www.kansascity.com/2013/07/04...ing-sewer.html

See other.

Happy 4th!
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Recently I have inspected two homes with no crawlspace access. Both clients back out on the deal due to not knowing what it looks like under the house, very understandable. Does anyone out there have a camera devise or something they use to inspect 10 to 12 inch crawls? I'm not sure a camera would do a good enough job for the liability involved.

Need a little advice. Inspected a home with a clipped gable roof on all four sides. What hurricane strap photos does one take? The strap tieing down the gabel wall? That seems to be all I can Identify at this point?

Thanks in advance.

How to Inspect the Exterior, 23.5 states:

"For example, according to the psychrometric chart, air at 68º F (20º C) with 0.216 ounces of water (H2O) per pound of air (14.8g H2O ÷ kg air) has a 100% RH. The same air at 59º F (15º C) reaches 100% RH with only 0.156 ounces of water per pound of air (10.7g H2O ÷ kg air). The colder air holds about 28% of the moisture that the warmer air does."

This isn't quite right. The colder air holds 28% LESS moisture than the warm air. Not 28% of the warm air moisture. 28% of the arm air moisture would only be .06 ounces of water per pound of air.